id:A077731 - OEIS Search Results

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Smallest square beginning with the reverse concatenation of first n natural numbers.

+0
2

1, 2116, 321489, 43217476, 543216249, 65432105209, 76543216214404, 87654321389325625, 9876543214442601636, 109876543213216782564, 11109876543211013634144016, 12111098765432180129777502784 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A077732.` `Sequence in context: A046382 A107528 A067632 this_sequence A077733 A031634 A031770` `Adjacent sequences: A077728 A077729 A077730 this_sequence A077732 A077733 A077734`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 19 2002`
	EXTENSIONS	`Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 04 2003`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research